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Yea Phillip, you wheelied away from him and me. It was very clear that you and the ALTA were faster. And @Mark911, I don't know which is better, DTC (Direct Torque Control) or FOC (Field Oriented Control), I think the DTC is supposed to be noisier. I notice that when an ALTA moves away from...

I have been riding the bike almost every weekend , and it has been at least performing very reliably. I am still down on power, I need to explore other controller options. I can select different Maps on current response. The most aggressive MAP was too much down low and it would run out of...

The frame looks like KTM frame. I can't see if it is a newer linkage frame or not. You are right about needing more power. Overall it looks very well engineered Alta has sure set the bar high. Nobody has been able to replicate all of its features and have the power. I, like many others...

Thanks for the info. I followed the links and found this data. The company is in the Czech Republic. I am not happy with my Kelly Controller. It doesn't put out the power it advertises. I am thinking of running 2 of these sized controllers, one on each stator in my ME 1302 motor. The plus's...

I emailed the company yesterday and they answered promptly that they are not selling in the US . No date or maybe later info. Their controller is very compact and light. But it looks like only about 400A 72V. The motor and controller look like a pretty good combo on a smaller bike. They claim...

Good question. I just read a post on somebody selling a ZF75-7 motor that he had split the stator lines and ran 2 smaller controllers ( it was a 2 year old post). FS:Zero ZF75-7, Size6 Sevcon, programmer and a few other... It seems very doable. What kind of power do you want? There is a CR...

Dain Tell me about the problems you had with Kelly Controller, most importantly not putting out full power. I am beginning to suspect that on mine. It is hard to log with their stuff, but I have 3 x 72(84)V packs. I run each one separately, and I can get 200A out of each. But I put all 3...

You asked about the Battery charging on 120V. I have 3 battery packs, and I have 3 x 84V 10A chargers that are 120V. My RV has a 120V 30A out of the 5000W gen. It charges at about 2500W 84V x 30A About an hour from 74V to 84V. I have a 240V plug in my garage that I've wired into two 120V...

It looks like you found the battery factory. Litespeedbike.com looks like they have a lot of choices, and might be able to build to suit. I saw the ANT BMS after I already had mine installed. I like the ability to adjust the max Voltage. Each of my 3 packs peak at slightly different voltages...

I can pop out one battery pack and still have great power and run a shorter race or time. Each pack weighs about 19lbs

260lbs

Thanks for the comments @VINSANITY. I have a 3D printer, but it doesn't do that big. I have to find someone to copy what I have and 3D print it. Same with the gear reduction, I am going to use the same gears, and have a machine shop build it and possible offer it up for others to buy. This...

I've shown some of the pictures of my conversion in other posts on here, but here is a little more. I started this build after having had my KTM 250F Electric conversion for quite a few years. I helped a buddy in Florida build his version of a 2014 YZ electric, but around the specs of the...

Welcome to the forum testus191. This is a great forum for all things "Electric Motorcycles". I am kind of new to this forum also, but everyone offers so much info and you can learn so much in all the different parts of the forum. I don't have an Alta, but have built 4 or 5 different Electric...

I had seen the Pohlbock before also. It is a beautiful piece. They do great work. But like @bayodome says, we need a kit that equals the Alta in performace and endurance that goes onto a proven bike and suspension. You are right also @wwmotors, we need a definition of how we can race these...

Thanks Phillip. My friend from KTM sent me pictures of a similar motor from China. But you are right, a SurRon has more power than this motor. Gear Box 200 KIT But China will have something soon, with way more power and no 4 speeds, if they are making this.

My buddy finally posted a address where you can ask him questions. I thought it was a website, but it is page with the bike picture, and an email address to post questions. Sales@XtremelectricMX.com

My buddy finally has at least a place to ask him questions. He is getting closer to having a product. Here is his website Sales@XtremelectricMX.com I hope he can help you bayodome.

My electric KTM (home built) has a Maguira throttle and Kelly controller. I had been working on it, and the throttle connection was left open. I turned the bike on while standing along side it and nothing for a few seconds, and it then accelerated with me holding the handlebars. it spun...

Will keep you posted. I went to @Mark911 Instagram page last night. I like the work you, Mark911, have done on your YZ125 Electric conversion's battery box. The motor you are using is small size for the KW output, and no jackshaft, good weight savings. What is the total bike weight and how...